How much does the narrator know in the story "The Tell-Tale Heart"?

He's nervous ("very dreadfully nervous"), paranoid, and physically and mentally ill. He doesn't know the difference between the "real" and the "unreal," and seems to be completely alone and friendless in the world.

Explanation:

in 550 b.c.e. cyrus the great, the leader of the persians, conquered the medes and united the iranian people under one ruler for the first time. cyrus became the first king of the persian empire and went on to establish one of the largest empires in world.

they wanted the u.s. to fight on the side of the central powers.